mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
5e2f01772a
The LTC3676 PMIC includes four DC/DC converters, and three 300mA LDO Regulators (two Adjustable). The DC/DC converters are adjustable based on a resistor devider (board-specific). This adds support for the LTC3676 by creating a namespace unique init function that uses the PMIC API to allocate a pmic and defines the registers. Signed-off-by: Tim Harvey <tharvey@gateworks.com> Acked-by: Stefano Babic <sbabic@denx.de>
51 lines
1 KiB
C
51 lines
1 KiB
C
/*
|
|
* Copyright (C) 2014 Gateworks Corporation
|
|
* Tim Harvey <tharvey@gateworks.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __LTC3676_PMIC_H_
|
|
#define __LTC3676_PMIC_H_
|
|
|
|
/* LTC3676 registers */
|
|
enum {
|
|
LTC3676_BUCK1 = 0x01,
|
|
LTC3676_BUCK2 = 0x02,
|
|
LTC3676_BUCK3 = 0x03,
|
|
LTC3676_BUCK4 = 0x04,
|
|
LTC3676_LDOA = 0x05,
|
|
LTC3676_LDOB = 0x06,
|
|
LTC3676_SQD1 = 0x07,
|
|
LTC3676_SQD2 = 0x08,
|
|
LTC3676_CNTRL = 0x09,
|
|
LTC3676_DVB1A = 0x0A,
|
|
LTC3676_DVB1B = 0x0B,
|
|
LTC3676_DVB2A = 0x0C,
|
|
LTC3676_DVB2B = 0x0D,
|
|
LTC3676_DVB3A = 0x0E,
|
|
LTC3676_DVB3B = 0x0F,
|
|
LTC3676_DVB4A = 0x10,
|
|
LTC3676_DVB4B = 0x11,
|
|
LTC3676_MSKIRQ = 0x12,
|
|
LTC3676_MSKPG = 0x13,
|
|
LTC3676_USER = 0x14,
|
|
LTC3676_HRST = 0x1E,
|
|
LTC3676_CLIRQ = 0x1F,
|
|
LTC3676_IRQSTAT = 0x15,
|
|
LTC3676_PGSTATL = 0x16,
|
|
LTC3676_PGSTATR = 0x17,
|
|
LTC3676_NUM_OF_REGS = 0x20,
|
|
};
|
|
|
|
/*
|
|
* SW Configuration
|
|
*/
|
|
|
|
#define LTC3676_DVB_MASK 0x1f
|
|
#define LTC3676_PGOOD_MASK (1<<5)
|
|
#define LTC3676_REF_SELA (0<<5)
|
|
#define LTC3676_REF_SELB (1<<5)
|
|
|
|
int power_ltc3676_init(unsigned char bus);
|
|
#endif
|